9:00- nine o'clock, 7:15- fifteen minutes have passed from 7 hours, 4: 15-15 minutes have passed from 4 hours, 6: 30-30 minutes have passed from 6, 11: 30- 30 minutes have passed from 11, 10: 45-45 minutes have passed from 10
9:00- nine o'clock, 7:15- fifteen minutes have passed from 7 hours, 4: 15-15 minutes have passed from 4 hours, 6: 30-30 minutes have passed from 6, 11: 30- 30 minutes have passed from 11, 10: 45-45 minutes have passed from 10